[Buildroot] [PATCH] configs: nitrogen*: enable NEON support
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Fri Sep 16 14:13:44 UTC 2016
Hello,
On Fri, 16 Sep 2016 15:09:02 +0200, Gary Bisson wrote:
> Signed-off-by: Gary Bisson <gary.bisson at boundarydevices.com>
> ---
> configs/nitrogen6sx_defconfig | 3 +++
> configs/nitrogen6x_defconfig | 3 +++
> configs/nitrogen7_defconfig | 1 +
> 3 files changed, 7 insertions(+)
>
> diff --git a/configs/nitrogen6sx_defconfig b/configs/nitrogen6sx_defconfig
> index bd92f55..1df658b 100644
> --- a/configs/nitrogen6sx_defconfig
> +++ b/configs/nitrogen6sx_defconfig
> @@ -1,6 +1,9 @@
> # architecture
> BR2_arm=y
> BR2_cortex_a9=y
> +BR2_ARM_ENABLE_NEON=y
> +BR2_ARM_ENABLE_VFP=y
> +BR2_ARM_FPU_NEON=y
So, -mfpu=neon here
> +BR2_ARM_ENABLE_NEON=y
> +BR2_ARM_ENABLE_VFP=y
> +BR2_ARM_FPU_NEON=y
And here.
> # system
> BR2_TARGET_GENERIC_GETTY=y
> diff --git a/configs/nitrogen7_defconfig b/configs/nitrogen7_defconfig
> index a8f3b45..adce0fb 100644
> --- a/configs/nitrogen7_defconfig
> +++ b/configs/nitrogen7_defconfig
> @@ -1,6 +1,7 @@
> # architecture
> BR2_arm=y
> BR2_cortex_a7=y
> +BR2_ARM_FPU_NEON_VFPV4=y
But here, -mfpu=neon-vfpv4
Why this difference?
Thanks,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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